A box contains 11 large marbles and 13 small marbles. Each marble is either gree

Question

A box contains 11 large marbles and 13 small marbles. Each marble is either green or white. 4 of the large marbles are green, and 6 of the small marbles are white. If a marble is randomly selected from the box, what is the probability that it is large or white? A box contains 11 large marbles and 13 small marbles. Each marble is either green or white. 4 of the large marbles are green, and 6 of the small marbles are white. If a marble is randomly selected from the box, what is the probability that it is large or white?

Explanation / Answer

There are 11+13 = 24 marbles.

There are 11 large.

6 small marbles are white.

Thus, there are 11+6 = 17 large or white marbles.

Hence,

P(large or white) = 17/24 or 0.708333333 [ANSWER]

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